This bug was fixed in the package linux - 4.4.0-119.143
---
linux (4.4.0-119.143) xenial; urgency=medium
* linux: 4.4.0-119.143 -proposed tracker (LP: #1760327)
* Dell XPS 13 9360 bluetooth scan can not detect any device (LP: #1759821)
- Revert "Bluetooth: btusb: fix QCA Rome
This bug was fixed in the package linux - 4.4.0-119.143
---
linux (4.4.0-119.143) xenial; urgency=medium
* linux: 4.4.0-119.143 -proposed tracker (LP: #1760327)
* Dell XPS 13 9360 bluetooth scan can not detect any device (LP: #1759821)
- Revert "Bluetooth: btusb: fix QCA Rome
Verified on 4.4.0-117-generic, APST was enabled.
#sudo nvme get-feature -f 0x0c -H /dev/nvme0n1
get-feature:0x0c (Autonomous Power State Transition), Current value: 0x01
Autonomous Power State Transition Enable (APSTE): Enabled
Auto PST Entries.
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
xenial' to 'verification-done-xenial'. If the problem still exists,
change the tag 'verifica
** Tags added: originate-from-1659177 somerville
** Changed in: hwe-next
Status: New => Fix Released
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Title:
Using an NVMe drive causes h
** Changed in: linux (Ubuntu Xenial)
Status: Confirmed => Fix Committed
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Title:
Using an NVMe drive causes huge power drain
To manage not
I'm pretty sure this is not the first time a power-saving feature breaks
some subset of hardware. Why even add it in a bugfix update?
After applying the workaround from LP#1678184, I'm happy about the
somewhat improved battery life, but I'll never get back the several
hours it took to figure out w
Please try
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1678184/comments/44
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Title:
Using an NVMe drive causes huge power drain
To manag
Unfortunately, this fix breaks Dell XPS 9550 with Samsung PM951 drives.
I now get a hung system due to the Samsung controller getting reset.
Please see https://bugzilla.kernel.org/show_bug.cgi?id=195039 for a
discussion of this issue.
The quirk detection is not complete, I fear
** Bug watch added
This bug was fixed in the package linux - 4.8.0-49.52
---
linux (4.8.0-49.52) yakkety; urgency=low
* linux: 4.8.0-49.52 -proposed tracker (LP: #1684427)
* [Hyper-V] hv: util: move waiting for release to hv_utils_transport itself
(LP: #1682561)
- Drivers: hv: util: move wa
** Tags removed: verification-needed-yakkety
** Tags added: verification-done-yakkety
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Title:
Using an NVMe drive causes huge power drain
To man
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
yakkety' to 'verification-done-yakkety'. If the problem still exists,
change the tag 'verifi
** Attachment removed: "JournalErrors.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1664602/+attachment/4818877/+files/JournalErrors.txt
** Attachment removed: "AlsaInfo.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1664602/+attachment/4818873/+files/AlsaInfo.txt
*
** Tags removed: kernel-da-key
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Title:
Using an NVMe drive causes huge power drain
To manage notifications about this bug go to:
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** Changed in: linux (Ubuntu Yakkety)
Status: Confirmed => Fix Committed
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Title:
Using an NVMe drive causes huge power drain
To manage no
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux (Ubuntu Yakkety)
Status: New => Confirmed
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux (Ubuntu Xenial)
Status: New => Confirmed
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Title:
After some reasonable big time of use, I get (as far I noticed in user
interface or system journals) no errors and not any hang. I did not
notice any slowdown either.
Thanks a lot, my battery is smiling again.
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** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Yakkety)
Importance: Undecided
Status: New
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This bug was fixed in the package linux - 4.10.0-14.16
---
linux (4.10.0-14.16) zesty; urgency=low
[ Tim Gardner ]
* Release Tracking Bug
- LP: #1673805
* msleep() bug causes Nuvoton I2C TPM device driver delays (LP: #1667567)
- tpm: msleep() delays - replace with usle
@Dave,
For Zesty, it's already in the tree.
For Yakkety, I already sent patches to kernel-team ML.
For Xenial, I'd like to see if there's any regression after some real world
usages in Yakkety and Zesty - after all the patch author made a blacklist table
for a reason. If everything goes smoothly
@Kai-Heng have you been able to make any progress on this? I think Tim
is simply waiting on a git branch or git send-email submission to the
kernel-team mailing list.
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** Changed in: linux (Ubuntu Zesty)
Status: Won't Fix => In Progress
** Changed in: linux (Ubuntu Zesty)
Assignee: Tim Gardner (timg-tpi) => Kai-Heng Feng (kaihengfeng)
** Changed in: linux (Ubuntu Zesty)
Status: In Progress => Fix Committed
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@Dave
I was wrong, you are right, it's not a clean cherry-pick.
I picked 7ac8b7abdb8d903c83fa15cfd952316e824fe6f3 from nvme tree (which
can be clean applied) instead of
bd4da3abaabffdd2472fb7085fcadd5d1d8c2153 from master.
The later one's diff contextually depends
8a9ae523282f324989850fcf41312b4
@Tim, When I checked the backport it was not a clean cherry-pick. As
you mentioned earlier there was some prerequisite patches that git
pulled in. I did not continue investigating, but I guess there should
only be a few. Either way the patches seem nvme
@Kai-Heng Feng, please make sure you appr
I can confirm Kai-Heng's patched kernel (linux-
image-4.10.0-14-generic_4.10.0-14.16_amd64.deb) triggers pc8 state with
a Samsung 960 EVO, where the stock kernel only attains pc3 at best.
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Kai-Heng Feng: Please post a git branch from which I can pull your
patches (or perhaps just attach them to this bug). Make sure the
upstream commit SHA1 is included by using the '-x' option of 'git
cherry-pick'.
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I've tested it now and it seems to work flawlessly.
Power usage is very similar to 4.11 kernel.
It would be great to see your patches in Zesty.
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T
I found that APST patches can be cleanly cherry-picked into zesty tree, please
try it:
http://people.canonical.com/~khfeng/lp1664602/
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Title:
Us
I can confirm Francois experience with my 950 pro. Although I saved one
or two watts. It's a bit hard to tell. However my PC states were
already reaching PC8 before this patch.
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https:/
** Tags removed: solved-upstream
** Tags added: kernel-fixed-upstream
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Title:
Using an NVMe drive causes huge power drain
To manage notification
I know that my bugs seem to me more important than other people's bugs
because that's MY bugs :-) .
But *IMHO* this lack of NVMe power management (and consequently Skylake CPU low
power states usage) is critical since :
1) it voids a lot of power management efforts these last years in Ubuntu/Linu
Francois - I doubt if that is going to happen for 17.04. It appears that
single patch requires a substantial amount of infrastructure and
prerequisite patches.
** Also affects: linux (Ubuntu Zesty)
Importance: Medium
Status: Triaged
** Changed in: linux (Ubuntu Zesty)
Status: Tri
Solved upstream with kernel 4.11 RC1 from Ubuntu kernel archive.
I'm back to 4.23 W instead of 8.26 W in same power conditions.
I reach PC8 power state (powertop) instead of PC3.
Hope the APST Andy's patch (I guess it's the key ?) will be backported
soon to Zesty's kernel.
** Tags added: solved-
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Status: Confirmed => Triaged
** Tags added: kernel-da-key
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apport information
** Tags added: apport-collected
** Description changed:
PCIe NVMe drives are very common in new laptops. The Zesty's kernels
(including latest 4.10 rc8 from CKT PPA) does not support APST (autonomous
power state transitions). A patch does exist :
http://lists.infradead.o
Related to :
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1579917
(marked as invalid)
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Title:
Using an NVMe drive causes huge power drain
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